Finding the Fourth Proportional to 142,247.52, 196,339.56 and 81,824.76

Step by Step Solution

1. Step 1: Write the proportion equation
   142,247.52 : 196,339.56 = 81,824.76 : x
2. Step 2: Convert to fraction form
   142,247.52/196,339.56 = 81,824.76/x
3. Step 3: Cross multiply
   142,247.52x = 196,339.56 × 81,824.76
4. Step 4: Simplify right side
   142,247.52x = 16,065,437,375.51
5. Step 5: Solve for x
   x = 16,065,437,375.51/142,247.52
6. Step 6: Final answer
   x = 112,940.02